Acube of butter that weighs 0.250 lb and has a volume of 130. ml

Which of these is a physical property

If an atom has 12 protons and 13 neutrons

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule